APA (7th ed.) Citation
Ullman, T. A. (2005). Colonoscopic surveillance in inflammatory bowel disease. Current Opinion in Gastroenterology, 21(5), 585-589.
Chicago Style (17th ed.) Citation
Ullman, Thomas A. "Colonoscopic Surveillance in Inflammatory Bowel Disease." Current Opinion in Gastroenterology 21, no. 5 (2005): 585-589.
MLA (9th ed.) Citation
Ullman, Thomas A. "Colonoscopic Surveillance in Inflammatory Bowel Disease." Current Opinion in Gastroenterology, vol. 21, no. 5, 2005, pp. 585-589.
Warning: These citations may not always be 100% accurate.